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    • 23. 发明授权
    • Photocopier scanning drive system
    • 复印机扫描驱动系统
    • US4426149A
    • 1984-01-17
    • US326063
    • 1981-11-30
    • Klaus KuemmelGerhard KlapettekSiegfried Schneider
    • Klaus KuemmelGerhard KlapettekSiegfried Schneider
    • G03B27/34G03B27/50G03B27/52G03G15/04G03G15/043H02P5/52H02P29/00G03G15/00
    • G03B27/525Y10S388/911Y10S388/915
    • A photocopier scanning system has a scanning member (which may be the scanning lamp, a scanning mirror, a scanning slit, or a document carrier) on a scanning system powered by a d.c. drive motor synchronized to the rotation of the a.c. main drive motor for the other components of the photocopier. A variable programmer using a phase locked loop control circuit including pulse encoders slaved to the motors maintains strict synchronization between the scanning drive motor and the main drive motor with an appropriate proportionality dependent upon the image magnification/reduction ratio of the photocopier. The optical system may include a movable zoom lens element which gives infinitely variable selection of the magnification/reduction ratio, and which can readily be connected to the programmer to achieve an infinitely variable proportionality between the speeds of the scanning drive motor and the main drive motor to suit any such magnification/reduction ratio. Also the output of the exposure lamp is variable in accordance with the magnification/reduction ratio.
    • 复印机扫描系统在由直流电源供电的扫描系统上具有扫描构件(其可以是扫描灯,扫描镜,扫描狭缝或文档载体)。 驱动电机同步旋转a.c. 复印机其他部件的主驱动电机。 使用包括从动电机的脉冲编码器的锁相环控制电路的可变编程器根据复印机的图像倍率/缩小率,以适当的比例来保持扫描驱动马达与主驱动马达之间的严格同步。 该光学系统可以包括一个可移动的变焦透镜元件,它可以无级地选择放大/缩小比率,并且可以容易地连接到编程器,以实现扫描驱动马达和主驱动马达的速度之间的无级变比比例 以适应任何这种放大/缩小比例。 此外,曝光灯的输出也可以根据放大率/缩小率而变化。
    • 30. 发明授权
    • Method for generating a volume dataset
    • 生成卷数据集的方法
    • US07020235B2
    • 2006-03-28
    • US10651364
    • 2003-08-29
    • Joachim HorneggerSiegfried Schneider
    • Joachim HorneggerSiegfried Schneider
    • A61B6/03
    • A61B6/4441A61B6/02A61B6/4464A61B6/5235A61B6/584G01N23/046G01N2223/419Y10S378/901
    • In a method for generating a volume dataset of a subject with a first X-ray system having an X-ray source and an X-ray receiver and with a second X-ray system having an X-ray source and an X-ray receiver, the first X-ray system is rotated around an axis and sweeps a first angular range. Substantially simultaneously, a second series of 2D projections of the subject is acquired with the second X-ray system at projection angles differing from one another, by the second X-ray system being rotated around an axis and sweeping a second angular range differing from the first angular range. A volume dataset of the subject is generated from the first and second series of 2D projections of the subject acquired by the two X-ray systems.
    • 一种用于利用具有X射线源和X射线接收器的第一X射线系统以及具有X射线源和X射线接收器的第二X射线系统来生成被摄体的体数据集的方法 ,第一X射线系统围绕轴旋转并扫过第一角度范围。 基本上同时地,以第二X射线系统以相互不同的投影角度获取对象的第二系列2D投影,第二X射线系统围绕轴线旋转并且扫掠与第二X射线系统不同的第二角度范围 第一角度范围。 由两个X射线系统获取的对象的第一和第二2D投影系列产生该对象的体数据集。